Boss

Performance-Based Effects for Bass

The second new offering in the ME series is the ME-20B, a powerful multi-effects unit optimized for live performance. With the same performance-based design as its guitar-focused ME-20 counterpart, the ME-20B is aimed at the performing bassist who wants stage-friendly effects and solid construction at an affordable price. Mix, match, and customize a wide variety of effects, including compressor, overdrive, distortion, T-Wah, phaser, flanger, chorus, delay, reverb, defretter, synth, and more.

Performance-based bass processor for the player who wants an easy-to-use interface with BOSS tone and quality
New super-tough metal chassis with 3 footswitches, 5 realtime control knobs, and expression pedal
EZ Edit for quick sound creation
Unique effects such as Synth, Octave, Defretter, and more
BASS ENHANCE function for instant presence boost
30 user memory locations in addition to realtime operation
Battery or AC powered

AD Conversion: 24-bit + AF method (*)
DA Conversion: 24-bit
Sampling Frequency: 44.1 kHz
Patches: 30 (user)
Nominal Input Level: INPUT: -10 dBu, AUX IN: -18 dBu
Input Impedance: INPUT: 1 M ohm, AUX IN: 22 k ohms
Nominal Output Level: -10 dBu
Output Impedance: 2 k ohms
Display: 7 segments, 2 characters LED
Controls: SFX/1 pedal, COMP/2 pedal, DELAY/3 pedal, Expression pedal

Connectors
INPUT jack (1/4 inch phone type), AUX IN jack (Stereo miniature phone type), OUTPUT jacks L/MONO, R (1/4 inch phone type), PHONES jack (Stereo 1/4 inch phone type), FOOT SW jack (1/4 inch TRS phone type), AC Adaptor jack
Power Supply
DC 9 V: Dry battery LR6/R6 (AA) type x 6, AC Adaptor (PSA series: Optional)
Current Draw
90 mA * Expected battery life under continuous use: Alkaline: 13 hours, Carbon: 3.5 hours (These figures will vary depending on the actual conditions of use.)
Accessories
Owner's Manual, Dry battery LR6 (AA) type (alkaline) x 6, Roland Service (Information Sheet)
Options
AC Adaptor: PSA series, Footswitch: FS-6, FS-5U, Connection Cable: Roland PCS-31 (Stereo 1/4 inch phone plug - 1/4 inch phone plug x 2)

Size and Weight
Width: 294 mm / 11-5/8 inches
Depth: 179 mm / 7-1/16 inches
Height: 54 mm / 2-1/8 inches
Weight: 1.6 kg / 3 lbs. 9 oz.